const Koa = require('koa')
const app = new Koa()
// const views = require('koa-views')
const json = require('koa-json')
const onerror = require('koa-onerror')
const bodyparser = require('koa-bodyparser')
const logger = require('koa-logger')

const InitManager = require('./config/init')
InitManager.initCore(app)

const cors = require('koa2-cors')
app.use(cors())

const index = require('./app/routes/index')

// error handler
onerror(app)

// middlewares
app.use(bodyparser({
  enableTypes:['json', 'form', 'text']
}))


app.use(json())
app.use(logger())
app.use(require('koa-static')(__dirname + '/static'))

// const welcome = new require('koa-router')(); // 创建路由，支持传递参数
// const fs = require('fs')
// welcome.get('/', (ctx) => {
//   ctx.set('Content-Type', "text/html;charset=utf-8");
//   ctx.body = fs.createReadStream('./web/dist/index.html')
// })
// app.use(welcome.routes())

// logger
app.use(async (ctx, next) => {
  const start = new Date()
  await next()
  const ms = new Date() - start
  console.log(`${ctx.method} ${ctx.url} - ${ms}ms`)
})

// routes
app.use(index.routes(), index.allowedMethods())

// error-handling
app.on('error', (err, ctx) => {
  console.error('server error', err, ctx)
});

module.exports = app
